Cheap flights from Kansas City to Las Vegas from $151 MCI → LAS
Kansas City International Airport (MCI) → McCarran International Airport (LAS)
The cheapest return found recently is $351 with Frontier Airlines, 23 Nov – 27 Nov, found 2 days ago. The cheapest one-way found recently is $151 with Frontier Airlines, 21 Nov, found 2 days ago.
- Cheapest one-way found recently
- $151, found 2 days ago
- Cheapest return found recently
- $351, 23 Nov to 27 Nov
- Usual return price
- $351 to $408
- Cheapest month to fly
- December 2026, return fares from $276 found in the last 7 days
- Airlines with nonstop flights
- Southwest Airlines, Frontier Airlines
Return
The cheapest return fare on each of 5 departure dates is usually $351 to $408.
Cheapest return found recently
$351
23 Nov – 27 Nov · Frontier Airlines
Kansas City International Airport (MCI) → McCarran International Airport (LAS)
Leaves 8:29 p.m. · Return leaves 9:59 a.m. · 8 h 12 min of travel, both ways together
out 1 stop, back nonstop · via Denver International Airport (DEN)
found 2 days ago
Cheapest nonstop return
$388
15 Jul 2027 – 22 Jul 2027 · Frontier Airlines
Kansas City International Airport (MCI) → McCarran International Airport (LAS)
Leaves 12:09 p.m. · Return leaves 6:21 a.m. · 6 h 2 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$351 23 Nov – 27 Novfound 2 days agoSee prices for these dates
$276 29 Dec – 1 Jan 2027found 7 days agoSee prices for these dates
What have prices looked like?
Over 39 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $181 to $276.
At $351, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 23 Nov to 15 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold 4-night return fares on 1 other departure date within 3 days of 23 Nov, and it is not cheaper.
Every date we hold
27 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Nov – 27 Nov | $351 | Frontier Airlines | Kansas City International Airport (MCI) → McCarran International Airport (LAS) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 25 Nov – 29 Nov | $508 | American Airlines | Kansas City International Airport (MCI) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 29 Dec – 1 Jan 2027 | $276 | Frontier Airlines | Kansas City International Airport (MCI) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 3 Apr 2027 – 10 Apr 2027 | $408 | American Airlines | Kansas City International Airport (MCI) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 15 Jul 2027 – 22 Jul 2027 | $388 | Frontier Airlines | Kansas City International Airport (MCI) → McCarran International Airport (LAS) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $276.
Airlines on the cheapest dates: Frontier Airlines, American Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$151
21 Nov · Frontier Airlines
Kansas City International Airport (MCI) → McCarran International Airport (LAS)
Leaves 8:29 p.m. · 5 h 23 min trip
1 stop
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$151 21 Novfound 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 26 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $89 to $215.
26 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 21 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Nov | $151 | Frontier Airlines | Kansas City International Airport (MCI) → McCarran International Airport (LAS) | 1 stop | found 2 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Kansas City to Las Vegas
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 23 Nov – 27 Nov in another cabin: Premium economy · Business · First
Today's prices for 21 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kansas City to Las Vegas?
Return
Fares 60 to 89 days before departure were typically 44% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (39 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $361 | $361 | +77% | 8 |
| 14–29 days | $233 | $203 | +14% | 32 |
| 30–59 days | $232 | $181 | +14% | 39 |
| 60–89 days | $204 | $204 | Cheapest seen | 11 |
| 90–179 days | $409 | $408 | +101% | 20 |
| 180+ days | $513 | $388 | +152% | 8 |
One-way
Fares 30 to 59 days before departure were typically 42% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (26 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $153 | $134 | +71% | 16 |
| 7–13 days | $136 | $134 | +53% | 11 |
| 30–59 days | $89 | $89 | Cheapest seen | 8 |
Live price for these dates
The cheapest return found recently is for 23 Nov – 27 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Kansas City to Las Vegas?
The cheapest return found recently is $351 with Frontier Airlines, 23 Nov to 27 Nov, found 2 days ago. The cheapest return we hold, of any age, is $276 with Frontier Airlines, 29 Dec to 1 Jan 2027, found 7 days ago. The cheapest return fare on each of 5 departure dates is usually $351 to $408.
How much is a one-way flight from Kansas City to Las Vegas?
The cheapest one-way found recently is $151 with Frontier Airlines, 21 Nov, found 2 days ago.
What is the cheapest month to fly from Kansas City to Las Vegas?
December 2026 is the cheapest month for a return, from $276, 29 Dec to 1 Jan 2027, found 7 days ago.
How far ahead should I book a flight from Kansas City to Las Vegas?
In 39 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 44% lower than 0 to 6 days before departure. In 26 days of prices between 24 Sept and 11 Nov, one-way fares 30 to 59 days before departure were typically 42% lower than 0 to 6 days before departure.
Is there a direct flight from Kansas City to Las Vegas?
Yes, the cheapest nonstop return found recently is $388 with Frontier Airlines, 15 Jul 2027 to 22 Jul 2027, found 2 days ago.
How long is the flight from Kansas City to Las Vegas?
The cheapest one-way found recently, with Frontier Airlines on 21 Nov, takes 5 h 23 min with 1 stop.
Which airlines have the cheapest flights from Kansas City to Las Vegas?
Between 23 Nov and 15 Jul 2027, Frontier Airlines has the cheapest return on 3 of the 5 departure dates we hold, and American Airlines on 2.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work